Praxic Blade Destiny 2: All 4 Catalysts, Cores and Forms

Most Praxic Blade guides date from Renegades launch week, and three of their core instructions are now wrong. The one-run catalyst rule was patched out, Fire and Ice moved out of the Legends node, and the fourth catalyst is no longer a mystery. Every catalyst, Form, Core and crystal, checked against a game that has stopped updating.